247068975 has 24 divisors (see below), whose sum is σ = 411719680. Its totient is φ = 130727520.

The previous prime is 247068959. The next prime is 247068979. The reversal of 247068975 is 579860742.

It is not a de Polignac number, because 247068975 - 2⁴ = 247068959 is a prime.

It is a super-2 number, since 2×247068975² = 122086156815101250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247068979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3445 + ... + 22494.

Almost surely, 2^247068975 is an apocalyptic number.

247068975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

247068975 is a deficient number, since it is larger than the sum of its proper divisors (164650705).

247068975 is a wasteful number, since it uses less digits than its factorization.

247068975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26079 (or 26074 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 247068975 is about 15718.4278794032. The cubic root of 247068975 is about 627.4889338429.

The spelling of 247068975 in words is "two hundred forty-seven million, sixty-eight thousand, nine hundred seventy-five".